---
title: "Event Contract Details"
method: GET
path: "/forecast/contract/details"
tags: ["tradingEventContracts"]
---

# Event Contract Details

`GET /forecast/contract/details`

Provides instrument details for the specific forecast contract.

## Query parameters

- `conid` string, required

## Response `200`

Returns the expanded list of the event contract containing both Yes and No side identifier information.

- ForecastDetailsResponse
  - `conid_yes` integer — Contract identifier of "yes" contract
  - `conid_no` integer — Contract identifier of "no" contract
  - `question` string — Contract question (i.e. "Will this happen on this date?")
  - `side` string — "Y" or "N", yes or no contract.
  - `strike_label` string — Strike label to display.
  - `strike` integer — Contract strike.
  - `exchange` string — Contract exchange.
  - `expiration` string — Contract expiration date in YYYYMMDD format.
  - `symbol` string — Contract symbol.
  - `category` string — The affiliated market category declared in /forecast/category/tree.
  - `logo_category` string — Logo category to use in logo service to get image.
  - `measured_period` string — measured period
  - `market_name` string — name of contract's market.
  - `underlying_conid` integer — Immediate underlier to contract (i.e. future conid for FOPs)
  - `payout` number, double — Ratio of payout scaling.

## Other responses

- `401` — Missing, invalid, or unparseable Authorization token.
- `500` — internal server error, returned when incoming request cannot be processed. It can sometimes include subset of bad requests. For example, wrong accountId passed and it can only be detected later in handling request. Error contains reason of the problem.
- `503` — service is unavailable. For example if request takes more than 10s due to some internal service unavailability, request aborted and this status returned

---

[API](https://skmtc.net/interactivebrokers/apis/api-reference.md) · [All operations](https://skmtc.net/interactivebrokers/apis/api-reference/llms.txt) · [OpenAPI document](https://skmtc-service-staging.skmtc.workers.dev/v1/apis/interactivebrokers/api-reference/revisions/67f9f562c2c6/schema)